page_banner

Company News

  • Hydrogen Gas/High Pressure Gas Line

    Hydrogen Gas/High Pressure Gas Line

    ZhongRui provide safe, high-cleanliness tubes that can be used in high-temperature, high-pressure, corrosive environments without any problems. Our tube material HR31603 have been tested and confirmed with good hydrogen compatibility.   Applicable Standards ● QB/ZRJJ 001-2021   Seam...
    Read more
  • The main differences between tubes and pipes in the standard

    The main differences between tubes and pipes in the standard

    Different shape The tube has a square tube mouth, a rectangular tube mouth, and a round shape; the pipes are all round;     Different roughness Tubes are rigid, as well as flexible tubes made of copper and brass; pipes are rigid and resistant to bending;     Different classification Tubes accordi...
    Read more
  • Five important factors affect the brightness of stainless steel tube after annealing

    Five important factors affect the brightness of stainless steel tube after annealing

      Whether the annealing temperature reaches the specified temperature, Stainless steel heat treatment is generally taken solid solution heat treatment, that is, people commonly called “annealing”, the temperature range of 1040 ~ 1120 ℃ (Japanese standard). You can also observe thr...
    Read more
  • Zhongrui Family

        Two days of travelling in Wuxi City. This is our best starting for next journey.     Ultra High Pressure Tube(Hydrogen) The main production O.D is from 3.18-60.5mm with small and medium caliber precision stainless steel seamless bright tube of various materials(BA tube),...
    Read more
  • EP Tube Clean Room(Electropolished tube)

    EP Tube Clean Room(Electropolished tube)

    Clean room specially used in packing Ultra high cleaning tube, such as electropolished tube. We set it in 2022 and at the same time, there are three production line of EP tube purchased then. Now the complete production line and packing room is already used for many domestic and abroad orders. T...
    Read more
  • Process of Precision Tubes

    Process of Precision Tubes

    The processing and forming technology of high-performance stainless steel precision pipes is different from traditional seamless pipes. Traditional seamless pipe blanks are generally produced by two-roll cross-rolling hot perforation, and the forming process of pipes gen...
    Read more
  • EP Tube

    EP Tube

    EP tube is one of the company's main products. Its main process is to electrolytically polish the inner surface of the tube on the basis of bright tubes. It is a cathode, and the two poles are simultaneously immersed in the electrolytic cell with a voltage of 2-25 volts....
    Read more
  • Company Relocation

    Company Relocation

    In 2013, Huzhou Zhongrui Cleaning Co., Ltd. was officially established. It mainly produces stainless steel seamless bright tubes. The first factory is located in Changxing County Industrial Park, Huzhou City. The factory covers an area of 8,000 square meters and has comp...
    Read more